Energy Unit Review

Front

What happens when two like poles of magnets are brought close together?

Back

They will repel each other.

Front

What are the three forms of heat transfer?

Back

Conduction (CD), Convection (CV), Radiation (R).

Front

Why is a refrigerator usually not made completely out of metal?

Back

Metal easily transfers heat, which would warm the inside of the refrigerator.

Front

In a pendulum, where is the kinetic energy (KE) greatest?

Back

At the lowest point of the swing.

Front

What is the best simple machine to lower a piano from a window?

Back

Pulley.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves.

Front

What is potential energy (PE)?

Back

The energy stored in an object due to its position or state.

Front

What is kinetic energy (KE)?

Back

The energy of an object due to its motion.